<template>
    <div>
      <!--面包屑导航各区域-->
      <el-breadcrumb separator="/">
        <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
        <el-breadcrumb-item>商品管理</el-breadcrumb-item>
        <el-breadcrumb-item>商品列表</el-breadcrumb-item>
      </el-breadcrumb>
      <!--卡片视图区域-->
      <el-card>
        <!--搜索框区域-->
        <el-row :gutter="20">
          <el-col :span="8">
            <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getGoodslist">
              <el-button slot="append" icon="el-icon-search" @click="getGoodslist"></el-button>
            </el-input>
          </el-col>
          <el-col :span="4">
            <el-button type="primary" @click="goAddpage">添加商品</el-button>
          </el-col>
        </el-row>
        <!--table表格-->
        <el-table :data="goodslist" border stripe>
          <el-table-column type="index"></el-table-column>
          <el-table-column label="商品名称" prop="goods_name"></el-table-column>
          <el-table-column label="商品价格(元)" prop="goods_price" width="95px"></el-table-column>
          <el-table-column label="商品重量" prop="goods_weight" width="70px"></el-table-column>
          <el-table-column label="创建时间" prop="add_time" width="140px">
            <template slot-scope="scope">{{scope.row.add_time | deteFormat}}</template>
          </el-table-column>
          <el-table-column label="操作"  width="130px">
            <template slot-scope="scope">
              <el-button type="primary" icon="el-icon-edit" size="mini"></el-button>
              <el-button type="danger" icon="el-icon-delete" size="mini" @click="removeById(scope.row.goods_id)"></el-button>
            </template>
          </el-table-column>
        </el-table>

        <!--分页区域-->
        <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange"
          :current-page="queryInfo.pagenum" :page-sizes="[5, 10, 15, 20]" :page-size="queryInfo.pagesize"
          layout="total, sizes, prev, pager, next, jumper" :total="total" background>
        </el-pagination>
      </el-card>
    </div>

</template>

<script>
export default {
  name: 'list',
  data() {
    return {
      queryInfo: {
        query: '',
        pagenum: 1,
        pagesize: 5
      },
      // 商品列表
      goodslist: [],
      // 总数据条数
      total: 0
    }
  },
  created() {
    this.getGoodslist()
  },
  methods: {
  //  根据分页获取对应的商品列表
    async getGoodslist() {
    const {data: res} = await this.$http.get('goods', {params: this.queryInfo})
      if (res.meta.status !== 200) return this.$message.error('获取商品列表失败！')
      // this.$message.success('获取商品列表成功！')
      this.goodslist = res.data.goods
      this.total = res.data.total
    },
    // 显示多少条数据
    handleSizeChange(newSize) {
      this.queryInfo.pagesize = newSize
      this.getGoodslist()
    },
    // 切换页
    handleCurrentChange(newPage) {
      this.queryInfo.pagenum = newPage
      this.getGoodslist()
    },
    // 点击按钮删除对应的商品
    async removeById(id) {
      const confirmResult = await this.$confirm('此操作将永久删除该文件, 是否继续?', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).catch(err => err)
      if (confirmResult !== 'confirm') return this.$message.info('已取消删除！')
      const {data: res} = await this.$http.delete(`goods/${id}`)
      if (res.meta.status !== 200) return this.$message.error('删除失败！')
      this.$message.success('删除成功！')
      this.getGoodslist()
    },
  // 点击添加按钮跳转到对应的页面
    goAddpage() {
      this.$router.push('/goods/add')
    }
  }
}
</script>

<style lang="less" scoped>

</style>
